How many protons are in the nucleus of an aluminum atom

According to einstein's general theory of relativity, why does light take a curved path when passing near a galaxy?

Relation between radius of curvature and focal length in convex mirror

When isn't momentum conserved?

A flask that weighs 345.8 g is filled with 225 mL of carbon tetrachloride. The weight of the flask and carbon tetrachloride is found to be 703.55 g. From this information, calculate the density of carbon tetrachloride.

What is the theory of punctuated equilibrium answers?

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star

Racewalking involves more impact than running. true false

Why would an object float in water, but sink in rubbing alcohol?

What happens to the volume of solids, liquids, and gases when they are heated. Devise your own chart for your answer.